OEM GTYQ-AT0502 Explosion Proof Combustible Gas Detector Manufacturer, Factory

Product Description

Description

Designed for safe flammable gas monitoring in explosive atmospheres, the GTYQ-AT0502 holds complete explosion and dust ignition proof certification to meet strict industrial safety standards. It integrates a standard light and sound alarm module with on-site expandable interfaces, ensuring timely and clear alerts once abnormal gas concentration is detected. The dual-wire wiring structure brings convenience to installation and retrofitting projects, while the digital sensor component can be replaced directly without field calibration, greatly reducing maintenance difficulty and downtime. Boasting an IP66 ingress protection level, it performs reliably in harsh outdoor and indoor environments with severe dust and water spray. This model is compatible with XBUS 2-wire and HBUS 4-wire detectors, offering flexible replacement options for old system upgrades. It is suitable for natural gas and LNG monitoring scenarios, and provides stable, low-maintenance detection solutions for petrochemical, metallurgical and urban gas pipeline projects.

Detector Specification

Model GTYQ-AT0502
Measuring gas Combustible gases (Methane, propane, isobutane, hydrogen, etc.)
Measuring type Diffusion type
Measuring method Catalytic
Measuring Range 0-100% LEL
Response time < 15sec / 90% scale
Accuracy ±3% / Full Scale
Operation mode display Alarm / Trouble LED
Power 24V DC nominal, 18 to 31V DC
Alarm signal output Light and sound output / 50mA
Output signal XBUS 2/4 wire or HBUS 4 wire
Conduit connection Standard: 2xM26x1.5P Option: FPT3/4',NPT3/4''
Mounting type Wall/Pole/Ceiling mount
Operating temperature -40°C ~ +70°C
Operating humidity 5 to 95% RH (Non-condensing)
Housing Material Aluminum alloy
Dimensions 146(W) x 144.5(H) x 70.5(D) mm
Explosion Proof Ex db IIC T6 Gb
Certification Refer to website

Sensor Specification

Sensor Type Measuring Gas Measuring Range Operating Temperature Typical Life Response Time
Catalytic Type Combustible gases 0~100%LEL -40+70℃ 36 month <15sec / 90% scale

Sensor Features (Catalytic Type)

Linear Output

Output signal shows a good linear relationship with gas concentration, enabling precise concentration readings.

High Stability

Minimal performance fluctuations during long-term use, ensuring reliable detection results.

High Sensitivity & Fast Response

Quickly captures gas concentration changes and triggers timely alerts.

Broad-Spectrum Capability

Detects most flammable gases and flammable vapors (e.g., hydrogen (H₂), methane (CH₄), propane (C₃H₈), ethanol vapors, etc.).

Poisoning Resistance & Low Consumption

Exhibits certain tolerance to common poisoning substances (e.g., silicon, lead compounds), with a long service life and low attrition rate.

Frequently Asked Questions

Q What are the explosion-proof certifications for the GTYQ-AT0502?

The GTYQ-AT0502 is fully certified to meet strict industrial safety standards with an Ex db IIC T6 Gb rating, making it suitable for secure flammable gas monitoring in explosive and dust-heavy atmospheres.

Q Does the sensor require on-site calibration when replaced?

No, the digital sensor component of this model is designed for direct replacement on-site without field calibration, which significantly minimizes maintenance difficulty and limits system downtime.

Q Which types of gases can the catalytic type sensor detect?

It features a broad-spectrum capability designed to detect most flammable gases and vapors, including methane (CH₄), propane (C₃H₈), hydrogen (H₂), isobutane, and ethanol vapors.

Q What is the ingress protection (IP) level and operating environment capability?

The detector has an IP66 ingress protection rating and operates reliably in temperatures ranging from -40°C to +70°C, rendering it highly durable in harsh indoor and outdoor conditions featuring severe dust and water spray.

Q Is this detector compatible with older systems?

Yes, the GTYQ-AT0502 is compatible with both XBUS 2-wire/4-wire and HBUS 4-wire systems, making it a flexible and convenient option for retrofitting projects and old system upgrades.

Q What is the typical lifespan and response time of the catalytic sensor?

The catalytic type sensor features a typical service life of 36 months and a quick response time of less than 15 seconds (to reach 90% scale).

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